Integrand size = 23, antiderivative size = 147 \[ \int (d \sec (e+f x))^m (a+b \tan (e+f x))^2 \, dx=\frac {a b (2+m) (d \sec (e+f x))^m}{f m (1+m)}+\frac {d \left (b^2-a^2 (1+m)\right ) \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {1-m}{2},\frac {3-m}{2},\cos ^2(e+f x)\right ) (d \sec (e+f x))^{-1+m} \sin (e+f x)}{f (1-m) (1+m) \sqrt {\sin ^2(e+f x)}}+\frac {b (d \sec (e+f x))^m (a+b \tan (e+f x))}{f (1+m)} \]
a*b*(2+m)*(d*sec(f*x+e))^m/f/m/(1+m)+d*(b^2-a^2*(1+m))*hypergeom([1/2, -1/ 2*m+1/2],[3/2-1/2*m],cos(f*x+e)^2)*(d*sec(f*x+e))^(-1+m)*sin(f*x+e)/f/(-m^ 2+1)/(sin(f*x+e)^2)^(1/2)+b*(d*sec(f*x+e))^m*(a+b*tan(f*x+e))/f/(1+m)
Time = 0.82 (sec) , antiderivative size = 119, normalized size of antiderivative = 0.81 \[ \int (d \sec (e+f x))^m (a+b \tan (e+f x))^2 \, dx=\frac {(d \sec (e+f x))^m \left (b^2 \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},\frac {m}{2},\frac {2+m}{2},\sec ^2(e+f x)\right ) \tan (e+f x)+a \left (-a \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {m}{2},\frac {2+m}{2},\sec ^2(e+f x)\right ) \tan (e+f x)+2 b \sqrt {-\tan ^2(e+f x)}\right )\right )}{f m \sqrt {-\tan ^2(e+f x)}} \]
((d*Sec[e + f*x])^m*(b^2*Hypergeometric2F1[-1/2, m/2, (2 + m)/2, Sec[e + f *x]^2]*Tan[e + f*x] + a*(-(a*Hypergeometric2F1[1/2, m/2, (2 + m)/2, Sec[e + f*x]^2]*Tan[e + f*x]) + 2*b*Sqrt[-Tan[e + f*x]^2])))/(f*m*Sqrt[-Tan[e + f*x]^2])
Time = 0.65 (sec) , antiderivative size = 147, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.391, Rules used = {3042, 3993, 25, 3042, 3967, 3042, 4259, 3042, 3122}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int (a+b \tan (e+f x))^2 (d \sec (e+f x))^m \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int (a+b \tan (e+f x))^2 (d \sec (e+f x))^mdx\) |
\(\Big \downarrow \) 3993 |
\(\displaystyle \frac {\int -(d \sec (e+f x))^m \left (-\left ((m+1) a^2\right )-b (m+2) \tan (e+f x) a+b^2\right )dx}{m+1}+\frac {b (a+b \tan (e+f x)) (d \sec (e+f x))^m}{f (m+1)}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle \frac {b (a+b \tan (e+f x)) (d \sec (e+f x))^m}{f (m+1)}-\frac {\int (d \sec (e+f x))^m \left (-\left ((m+1) a^2\right )-b (m+2) \tan (e+f x) a+b^2\right )dx}{m+1}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {b (a+b \tan (e+f x)) (d \sec (e+f x))^m}{f (m+1)}-\frac {\int (d \sec (e+f x))^m \left (-\left ((m+1) a^2\right )-b (m+2) \tan (e+f x) a+b^2\right )dx}{m+1}\) |
\(\Big \downarrow \) 3967 |
\(\displaystyle \frac {b (a+b \tan (e+f x)) (d \sec (e+f x))^m}{f (m+1)}-\frac {\left (b^2-a^2 (m+1)\right ) \int (d \sec (e+f x))^mdx-\frac {a b (m+2) (d \sec (e+f x))^m}{f m}}{m+1}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {b (a+b \tan (e+f x)) (d \sec (e+f x))^m}{f (m+1)}-\frac {\left (b^2-a^2 (m+1)\right ) \int \left (d \csc \left (e+f x+\frac {\pi }{2}\right )\right )^mdx-\frac {a b (m+2) (d \sec (e+f x))^m}{f m}}{m+1}\) |
\(\Big \downarrow \) 4259 |
\(\displaystyle \frac {b (a+b \tan (e+f x)) (d \sec (e+f x))^m}{f (m+1)}-\frac {\left (b^2-a^2 (m+1)\right ) \left (\frac {\cos (e+f x)}{d}\right )^m (d \sec (e+f x))^m \int \left (\frac {\cos (e+f x)}{d}\right )^{-m}dx-\frac {a b (m+2) (d \sec (e+f x))^m}{f m}}{m+1}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {b (a+b \tan (e+f x)) (d \sec (e+f x))^m}{f (m+1)}-\frac {\left (b^2-a^2 (m+1)\right ) \left (\frac {\cos (e+f x)}{d}\right )^m (d \sec (e+f x))^m \int \left (\frac {\sin \left (e+f x+\frac {\pi }{2}\right )}{d}\right )^{-m}dx-\frac {a b (m+2) (d \sec (e+f x))^m}{f m}}{m+1}\) |
\(\Big \downarrow \) 3122 |
\(\displaystyle \frac {b (a+b \tan (e+f x)) (d \sec (e+f x))^m}{f (m+1)}-\frac {-\frac {d \left (b^2-a^2 (m+1)\right ) \sin (e+f x) (d \sec (e+f x))^{m-1} \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {1-m}{2},\frac {3-m}{2},\cos ^2(e+f x)\right )}{f (1-m) \sqrt {\sin ^2(e+f x)}}-\frac {a b (m+2) (d \sec (e+f x))^m}{f m}}{m+1}\) |
-((-((a*b*(2 + m)*(d*Sec[e + f*x])^m)/(f*m)) - (d*(b^2 - a^2*(1 + m))*Hype rgeometric2F1[1/2, (1 - m)/2, (3 - m)/2, Cos[e + f*x]^2]*(d*Sec[e + f*x])^ (-1 + m)*Sin[e + f*x])/(f*(1 - m)*Sqrt[Sin[e + f*x]^2]))/(1 + m)) + (b*(d* Sec[e + f*x])^m*(a + b*Tan[e + f*x]))/(f*(1 + m))
3.7.41.3.1 Defintions of rubi rules used
Int[((b_.)*sin[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Simp[Cos[c + d*x]*(( b*Sin[c + d*x])^(n + 1)/(b*d*(n + 1)*Sqrt[Cos[c + d*x]^2]))*Hypergeometric2 F1[1/2, (n + 1)/2, (n + 3)/2, Sin[c + d*x]^2], x] /; FreeQ[{b, c, d, n}, x] && !IntegerQ[2*n]
Int[((d_.)*sec[(e_.) + (f_.)*(x_)])^(m_.)*((a_) + (b_.)*tan[(e_.) + (f_.)*( x_)]), x_Symbol] :> Simp[b*((d*Sec[e + f*x])^m/(f*m)), x] + Simp[a Int[(d *Sec[e + f*x])^m, x], x] /; FreeQ[{a, b, d, e, f, m}, x] && (IntegerQ[2*m] || NeQ[a^2 + b^2, 0])
Int[((d_.)*sec[(e_.) + (f_.)*(x_)])^(m_.)*((a_) + (b_.)*tan[(e_.) + (f_.)*( x_)])^2, x_Symbol] :> Simp[b*(d*Sec[e + f*x])^m*((a + b*Tan[e + f*x])/(f*(m + 1))), x] + Simp[1/(m + 1) Int[(d*Sec[e + f*x])^m*(a^2*(m + 1) - b^2 + a*b*(m + 2)*Tan[e + f*x]), x], x] /; FreeQ[{a, b, d, e, f, m}, x] && NeQ[a^ 2 + b^2, 0] && !IntegerQ[m]
Int[(csc[(c_.) + (d_.)*(x_)]*(b_.))^(n_), x_Symbol] :> Simp[(b*Csc[c + d*x] )^(n - 1)*((Sin[c + d*x]/b)^(n - 1) Int[1/(Sin[c + d*x]/b)^n, x]), x] /; FreeQ[{b, c, d, n}, x] && !IntegerQ[n]
\[\int \left (d \sec \left (f x +e \right )\right )^{m} \left (a +b \tan \left (f x +e \right )\right )^{2}d x\]
\[ \int (d \sec (e+f x))^m (a+b \tan (e+f x))^2 \, dx=\int { {\left (b \tan \left (f x + e\right ) + a\right )}^{2} \left (d \sec \left (f x + e\right )\right )^{m} \,d x } \]
\[ \int (d \sec (e+f x))^m (a+b \tan (e+f x))^2 \, dx=\int \left (d \sec {\left (e + f x \right )}\right )^{m} \left (a + b \tan {\left (e + f x \right )}\right )^{2}\, dx \]
\[ \int (d \sec (e+f x))^m (a+b \tan (e+f x))^2 \, dx=\int { {\left (b \tan \left (f x + e\right ) + a\right )}^{2} \left (d \sec \left (f x + e\right )\right )^{m} \,d x } \]
\[ \int (d \sec (e+f x))^m (a+b \tan (e+f x))^2 \, dx=\int { {\left (b \tan \left (f x + e\right ) + a\right )}^{2} \left (d \sec \left (f x + e\right )\right )^{m} \,d x } \]
Timed out. \[ \int (d \sec (e+f x))^m (a+b \tan (e+f x))^2 \, dx=\int {\left (\frac {d}{\cos \left (e+f\,x\right )}\right )}^m\,{\left (a+b\,\mathrm {tan}\left (e+f\,x\right )\right )}^2 \,d x \]